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Loans and Allowance for Credit Losses - Loan Portfolio by Impairment Methodology (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans	$ 1,104,959	$ 941,865
Ending balance: individually evaluated for impairment	11,186	3,734
Ending balance: collectively evaluated for impairment	1,093,773	938,131
Commercial
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans	295,965	125,700
Ending balance: individually evaluated for impairment	7,402	187
Ending balance: collectively evaluated for impairment	288,563	125,513
Real Estate
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans	716,124	708,542
Ending balance: individually evaluated for impairment	2,616	2,036
Ending balance: collectively evaluated for impairment	713,508	706,506
Consumer
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans	92,870	107,623
Ending balance: individually evaluated for impairment	1,168	1,511
Ending balance: collectively evaluated for impairment	$ 91,702	$ 106,112

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